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A Christmas Mystery is the twenty-sixth episode of "The Backyardigans 2.0" written by Hornean. This episode is written as a third sequel of The Backyardigans episode, Whodunit?, following the books based on the latter, The Mystery of the Jeweled Eggs and The Shaped-Jewel Hunt.
This episode article is in need of a synopsis. A synopsis is intended to be a very detailed description of what occurs in the episode.